Ophthalmic sponge



FIG. 1 is a perspective view of the ophthalmic sponge according to the present invention;

FIG. 2 is a front elevational view thereof, the rear elevational view being identical thereto;

FIG. 3 is an elevational view of one side of the ophthalmic sponge according to the present invention, the other side being identical thereto;

FIG. 4 is a bottom plan view of the ophthalmic sponge; and,

FIG. 5 is a top plan view thereof. 

The ornamental design for an ophthalmic sponge, as shown and described. 